18889082940

Names of 18889082940

• Cardinal: 18889082940 can be written as Eighteen billion, eight hundred eighty-nine million, eighty-two thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.888908294 × 10¹⁰

Factors of 18889082940

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4531

Divisors of 18889082940

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 19 20 21 26 28 30 35 38 39 41 42 52 57 60 65 70 76 78 82 84 91 95 105 114 123 130 133 140 156 164 182 190 195 205 210 228 246 247 260 266 273 285 287 364 380 390 399 410 420 455 492 494 532 533 546 570 574 615 665 741 779 780 798 820 861 910 988 1066 1092 1140 1148 1230 1235 1330 1365 1435 1482 1558 1596 1599 1722 1729 1820 1995 2132 2337 2460 2470 2660 2665 2730 2870 2964 3116 3198 3444 3458 3705 3731 3895 3990 4305 4441 4674 4940 5187 5330 5453 5460 5740 6396 6916 7410 7462 7790 7980 7995 8610 8645 8882 9348 10127 10374 10660 10906 11193 11685 13323 14820 14924 15580 15990 16359 17220 17290 17764 18655 20254 20748 21812 22205 22386 23370 25935 26646 27265 30381 31087 31980 32718 34580 37310 40508 44410 44772 46740 50635 51870 53292 54530 55965 57733 60762 62174 65436 66615 70889 74620 81795 84379 88820 93261 101270 103740 109060 111930 115466 121524 124348 133230 141778 151905 155435 163590 168758 173199 182081 186522 202540 212667 223860 230932 253137 266460 283556 288665 303810 310870 327180 337516 346398 354445 364162 373044 404131 421895 425334 466305 506274 546243 577330 590653 607620 621740 692796 708890 728324 808262 843790 850668 865995 910405 932610 1012548 1063335 1092486 1096927 1154660 1181306 1212393 1265685 1274567 1417780 1616524 1687580 1731990 1771959 1820810 1865220 2020655 2126670 2184972 2193854 2362612 2367053 2424786 2531370 2549134 2731215 2953265 3290781 3459539 3463980 3543918 3641620 3823701 4041310 4253340 4387708 4734106 4849572 5062740 5098268 5462430 5484635 5906530 6061965 6372835 6581562 6919078 7087836 7101159 7647402 7678489 8082620 8859795 9468212 10378617 10924860 10969270 11813060 11835265 12123930 12745670 13163124 13838156 14202318 15294804 15356978 16453905 16569371 17297695 17719590 19118505 20757234 21938540 23035467 23670530 24216773 24247860 25491340 28404636 30713956 32907810 33138742 34595390 35439180 35505795 38237010 38392445 41514468 44974007 46070934 47341060 48433546 49708113 51893085 65815620 66277484 69190780 71011590 72650319 76474020 76784890 82846855 89948014 92141868 96867092 99416226 103786170 115177335 121083865 134922021 142023180 145300638 153569780 165693710 179896028 198832452 207572340 224870035 230354670 242167730 248540565 269844042 290601276 314818049 331387420 363251595 449740070 460709340 484335460 497081130 539688084 629636098 674610105 726503190 899480140 944454147 994162260 1259272196 1349220210 1453006380 1574090245 1888908294 2698440420 3148180490 3777816588 4722270735 6296360980 9444541470 18889082940
• Sum of all divisors σ(n): 70207764480
• Sum of proper divisors (its aliquot sum) s(n): 51318681540
• 18889082940 is an abundant number, because the sum of its proper divisors (51318681540) is greater than itself. Its abundance is 32429598600

Bases of 18889082940

• Binary: 10001100101111000001000100000111100₂
• Hexadecimal: 0x465E0883C
• Base-36: 8OE2LOC

Squares and roots of 18889082940

• 18889082940 squared (18889082940²) is 356797454314199043600
• 18889082940 cubed (18889082940³) is 6739576707321766554229076184000
• The square root of 18889082940 is 137437.5601500551
• The cube root of 18889082940 is 2663.1990333647

Scales and comparisons

• 18,889,082,940 seconds is equal to 600 years, 31 weeks, 6 days, 15 hours, 29 minutes.
• To count from 1 to 18,889,082,940 would take you about one thousand, two hundred one years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18889082940 cubic inches would be around 221.9 feet tall.

Recreational maths with 18889082940

• 18889082940 backwards is 04928098881
• 18889082940 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18889082940's digits is 57
• More coming soon!